Koichi Wago
55Patents
10h-index
51Co-inventors
81Inventor score
Filing activity: Jul 9, 1999 → Dec 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6949199B1 | Heat-transfer-stamp process for thermal imprint lithography | Emerging Cross-Sectional Technologies | 90 | Expired |
| US8076013B2 | Magnetic recording medium, magnetic recording medium manufacturing method, and magnetic disk | Physics | 79 | Active |
| US7833639B2 | Magnetic recording medium and method for manufacturing magnetic recording medium | Physics | 75 | Active |
| US8367228B2 | Magnetic recording medium having patterned auxiliary recording layer and method for manufacturing such magnetic recording medium | Physics | 73 | Active |
| US6440520B1 | Patterned magnetic recording disk with substrate patterned by ion implantation | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6869557B1 | Multi-level stamper for improved thermal imprint lithography | Physics | 44 | Expired |
| US6757116B1 | Disk biasing for manufacture of servo patterned media | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7294294B1 | Surface modified stamper for imprint lithography | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6617012B1 | Styrene-acrylonitrile as a resist for making patterned media | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6853514B2 | Method for measuring PES noise of servo patterned media | Physics | 13 | Expired |
| US8308964B2 | Planarization method for media | Performing Operations; Transporting | 10 | Active |
| US7028743B1 | High field contrast magnetic stampers/imprinters for contact patterning of magnetic media | Electricity | 10 | Expired |
| US7830775B2 | Writeable optical recording of multilevel oriented nano-structure discs | Physics | 8 | Active |
| US7036209B1 | Method of simultaneously forming magnetic transition patterns of a dual side recording medium | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6838227B2 | Polystyrene as a resist for making patterned media | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7378028B2 | Method for fabricating patterned magnetic recording media | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7218466B1 | Contact printing of magnetic media with mechanically reinforced and/or gas venting stamper | Physics | 6 | Expired |
| US6758664B1 | Self-leveling stamper module | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7448860B2 | Surface modified stamper for imprint lithography | Emerging Cross-Sectional Technologies | 5 | Active |
| US7351484B2 | High field contrast magnetic stampers/imprinters for contact patterning of magnetic media | Electricity | 5 | Expired |
| US7642041B2 | Rotary apertured interferometric lithography (RAIL) | Physics | 4 | Active |
| US10310182B2 | Patterned plasmonic underlayer | Emerging Cross-Sectional Technologies | 4 | Active |
| US7459241B2 | Rotary apertured interferometric lithography (RAIL) | Physics | 4 | Expired |
| US9799362B1 | Three dimensional data storage medium with a tuned recording layer | Physics | 3 | Active |
| US8771529B1 | Method for imprint lithography | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.